1 // SPDX-License-Identifier: GPL-2.0-only
40 		return val - (u64)place;  in do_reloc()
42 		return (val & ~0xfff) - ((u64)place & ~0xfff);  in do_reloc()
56 	 * The ELF psABI for AArch64 documents the 16-bit and 32-bit place  in reloc_data()
57 	 * relative and absolute relocations as having a range of [-2^15, 2^16)  in reloc_data()
58 	 * or [-2^31, 2^32), respectively. However, in order to be able to  in reloc_data()
62 	 * interpretation of 32-bit relative references, so let's use that  in reloc_data()
73 				return -ERANGE;  in reloc_data()
77 				return -ERANGE;  in reloc_data()
80 			pr_err("Invalid 16-bit data relocation (%d)\n", op);  in reloc_data()
89 				return -ERANGE;  in reloc_data()
93 				return -ERANGE;  in reloc_data()
96 			pr_err("Invalid 32-bit data relocation (%d)\n", op);  in reloc_data()
133 			/* >=0: Set the instruction to MOVZ (opcode 10b). */  in reloc_insn_movw()
137 			 * <0: Set the instruction to MOVN (opcode 00b).  in reloc_insn_movw()
151 		return -ERANGE;  in reloc_insn_movw()
168 	imm_mask = (BIT(lsb + len) - 1) >> lsb;  in reloc_insn_imm()
179 	sval = (s64)(sval & ~(imm_mask >> 1)) >> (len - 1);  in reloc_insn_imm()
186 		return -ERANGE;  in reloc_insn_imm()
191 static int reloc_insn_adrp(struct module *mod, Elf64_Shdr *sechdrs,  in reloc_insn_adrp()  argument
197 		return reloc_insn_imm(RELOC_OP_PAGE, place, val, 12, 21,  in reloc_insn_adrp()
206 		/* out of range for ADR -> emit a veneer */  in reloc_insn_adrp()
207 		val = module_emit_veneer_for_adrp(mod, sechdrs, place, val & ~0xfff);  in reloc_insn_adrp()
209 			return -ENOEXEC;  in reloc_insn_adrp()
242 		val = sym->st_value + rel[i].r_addend;  in apply_relocate_add()
365 			if (ovf && ovf != -ERANGE)  in apply_relocate_add()
371 			ovf = reloc_insn_imm(RELOC_OP_ABS, loc, val, 0, 12,  in apply_relocate_add()
406 			if (ovf == -ERANGE) {  in apply_relocate_add()
409 					return -ENOEXEC;  in apply_relocate_add()
417 			       me->name, ELF64_R_TYPE(rel[i].r_info));  in apply_relocate_add()
418 			return -ENOEXEC;  in apply_relocate_add()
421 		if (overflow_check && ovf == -ERANGE)  in apply_relocate_add()
430 	       me->name, (int)ELF64_R_TYPE(rel[i].r_info), val);  in apply_relocate_add()
431 	return -ENOEXEC;  in apply_relocate_add()
441 				  struct module *mod)  in module_init_ftrace_plt()  argument
449 		return -ENOEXEC;  in module_init_ftrace_plt()
451 	plts = (void *)s->sh_addr;  in module_init_ftrace_plt()
455 	mod->arch.ftrace_trampolines = plts;  in module_init_ftrace_plt()
467 		apply_alternatives_module((void *)s->sh_addr, s->sh_size);  in module_finalize()
472 			__pi_scs_patch((void *)s->sh_addr, s->sh_size);  in module_finalize()